Pin number 1 2 3 4 5 6 OUT 7 8 Note) PWR AI AO N.C. Name N.C. NIN PIN VSS N.C. VDD N.C. I/O note) N.C. AI AI PWR N.C. AO PWR N.C. Function No Internal Connection (Open or VSS connection) Amplifier Inverted Input Amplifier No Inverted Input Power Supply Ground No Internal Connection (Open or VSS.